How many tiles are added to each figure in the tile pattern shown above

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

In the geometric progression –3, 12, −48… what term is 3,072?

If the endpoints of the diameter of a circle are (8, 6) and (2,0), what is the standard form equation of the circle? a) (x + 5)2 + (y + 3)2 = 18 (x + 5)2 + (y + 3)2 = 3.72 (x - 5)2 + (y - 3)2 = 18 d) (x - 5)2 + (y - 3)2 = 32